Merge a15ccac41e into 3fbe8634d9

微信获取稳定版token，只有不等于空字符串的情况下才会返回access_token信息，未空的情况，继续调去微信服务

cache/redis.go

@@ -16,6 +16,7 @@ type Redis struct {
 // RedisOpts redis 连接属性
 type RedisOpts struct {
 	Host        string `yml:"host" json:"host"`
+	Username    string `yaml:"username" json:"username"`
 	Password    string `yml:"password" json:"password"`
 	Database    int    `yml:"database" json:"database"`
 	MaxIdle     int    `yml:"max_idle" json:"max_idle"`
@@ -28,6 +29,7 @@ func NewRedis(ctx context.Context, opts *RedisOpts) *Redis {
 	conn := redis.NewUniversalClient(&redis.UniversalOptions{
 		Addrs:        []string{opts.Host},
 		DB:           opts.Database,
+		Username:     opts.Username,
 		Password:     opts.Password,
 		IdleTimeout:  time.Second * time.Duration(opts.IdleTimeout),
 		MinIdleConns: opts.MaxIdle,

credential/default_access_token.go

@@ -101,10 +101,11 @@ func (ak *DefaultAccessToken) GetAccessTokenContext(ctx context.Context) (access
 // 不强制更新access_token,可用于不同环境不同服务而不需要分布式锁以及公用缓存，避免access_token争抢
 // https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-access-token/getStableAccessToken.html
 type StableAccessToken struct {
-	appID          string
+	appID           string
-	appSecret      string
+	appSecret       string
-	cacheKeyPrefix string
+	cacheKeyPrefix  string
-	cache          cache.Cache
+	cache           cache.Cache
+	accessTokenLock *sync.Mutex
 }
 
 // NewStableAccessToken new StableAccessToken
@@ -113,10 +114,11 @@ func NewStableAccessToken(appID, appSecret, cacheKeyPrefix string, cache cache.C
 		panic("cache is need")
 	}
 	return &StableAccessToken{
-		appID:          appID,
+		appID:           appID,
-		appSecret:      appSecret,
+		appSecret:       appSecret,
-		cache:          cache,
+		cache:           cache,
-		cacheKeyPrefix: cacheKeyPrefix,
+		cacheKeyPrefix:  cacheKeyPrefix,
+		accessTokenLock: new(sync.Mutex),
 	}
 }
 
@@ -130,7 +132,20 @@ func (ak *StableAccessToken) GetAccessTokenContext(ctx context.Context) (accessT
 	// 先从cache中取
 	accessTokenCacheKey := fmt.Sprintf("%s_stable_access_token_%s", ak.cacheKeyPrefix, ak.appID)
 	if val := ak.cache.Get(accessTokenCacheKey); val != nil {
-		return val.(string), nil
+		if accessToken = val.(string); accessToken != "" {
+			return
+		}
+	}
+
+	// 加上lock，是为了防止在并发获取token时，cache刚好失效，导致从微信服务器上获取到不同token
+	ak.accessTokenLock.Lock()
+	defer ak.accessTokenLock.Unlock()
+
+	// 双检，防止重复从微信服务器获取
+	if val := ak.cache.Get(accessTokenCacheKey); val != nil {
+		if accessToken = val.(string); accessToken != "" {
+			return
+		}
 	}
 
 	// cache失效，从微信服务器获取

miniprogram/config/config.go

@@ -14,4 +14,5 @@ type Config struct {
 	Token          string `json:"token"`            // token
 	EncodingAESKey string `json:"encoding_aes_key"` // EncodingAESKey
 	Cache          cache.Cache
+	UseStableAK    bool // use the stable access_token
 }

miniprogram/miniprogram.go

@@ -34,7 +34,13 @@ type MiniProgram struct {
 
 // NewMiniProgram 实例化小程序 API
 func NewMiniProgram(cfg *config.Config) *MiniProgram {
-	defaultAkHandle := credential.NewDefaultAccessToken(cfg.AppID, cfg.AppSecret, credential.CacheKeyMiniProgramPrefix, cfg.Cache)
+	var defaultAkHandle credential.AccessTokenContextHandle
+	const cacheKeyPrefix = credential.CacheKeyMiniProgramPrefix
+	if cfg.UseStableAK {
+		defaultAkHandle = credential.NewStableAccessToken(cfg.AppID, cfg.AppSecret, cacheKeyPrefix, cfg.Cache)
+	} else {
+		defaultAkHandle = credential.NewDefaultAccessToken(cfg.AppID, cfg.AppSecret, cacheKeyPrefix, cfg.Cache)
+	}
 	ctx := &context.Context{
 		Config:            cfg,
 		AccessTokenHandle: defaultAkHandle,

miniprogram/qrcode/qrcode.go

@@ -54,6 +54,8 @@ type QRCoder struct {
 	IsHyaline bool `json:"is_hyaline,omitempty"`
 	// envVersion 要打开的小程序版本。正式版为 "release"，体验版为 "trial"，开发版为 "develop"
 	EnvVersion string `json:"env_version,omitempty"`
+	// ShowSplashAd 控制通过该小程序码进入小程序是否展示封面广告1、默认为true，展示封面广告2、传入为false时，不展示封面广告
+	ShowSplashAd bool `json:"show_splash_ad,omitempty"`
 }
 
 // fetchCode 请求并返回二维码二进制数据

officialaccount/config/config.go

@@ -11,4 +11,5 @@ type Config struct {
 	Token          string `json:"token"`            // token
 	EncodingAESKey string `json:"encoding_aes_key"` // EncodingAESKey
 	Cache          cache.Cache
+	UseStableAK    bool // use the stable access_token
 }

officialaccount/material/material.go

@@ -4,6 +4,9 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
+	"os"
+	"path"
 
 	"github.com/silenceper/wechat/v2/officialaccount/context"
 	"github.com/silenceper/wechat/v2/util"
@@ -160,8 +163,8 @@ type resAddMaterial struct {
 	URL     string `json:"url"`
 }
 
-// AddMaterial 上传永久性素材（处理视频需要单独上传）
+// AddMaterialFromReader 上传永久性素材（处理视频需要单独上传），从 io.Reader 中读取
-func (material *Material) AddMaterial(mediaType MediaType, filename string) (mediaID string, url string, err error) {
+func (material *Material) AddMaterialFromReader(mediaType MediaType, filePath string, reader io.Reader) (mediaID string, url string, err error) {
 	if mediaType == MediaTypeVideo {
 		err = errors.New("永久视频素材上传使用 AddVideo 方法")
 		return
@@ -173,8 +176,10 @@ func (material *Material) AddMaterial(mediaType MediaType, filename string) (med
 	}
 
 	uri := fmt.Sprintf("%s?access_token=%s&type=%s", addMaterialURL, accessToken, mediaType)
+	// 获取文件名
+	filename := path.Base(filePath)
 	var response []byte
-	response, err = util.PostFile("media", filename, uri)
+	response, err = util.PostFileFromReader("media", filePath, filename, uri, reader)
 	if err != nil {
 		return
 	}
@@ -192,13 +197,24 @@ func (material *Material) AddMaterial(mediaType MediaType, filename string) (med
 	return
 }
 
+// AddMaterial 上传永久性素材（处理视频需要单独上传）
+func (material *Material) AddMaterial(mediaType MediaType, filename string) (mediaID string, url string, err error) {
+	f, err := os.Open(filename)
+	if err != nil {
+		return
+	}
+	defer func() { _ = f.Close() }()
+
+	return material.AddMaterialFromReader(mediaType, filename, f)
+}
+
 type reqVideo struct {
 	Title        string `json:"title"`
 	Introduction string `json:"introduction"`
 }
 
-// AddVideo 永久视频素材文件上传
+// AddVideoFromReader 永久视频素材文件上传，从 io.Reader 中读取
-func (material *Material) AddVideo(filename, title, introduction string) (mediaID string, url string, err error) {
+func (material *Material) AddVideoFromReader(filePath, title, introduction string, reader io.Reader) (mediaID string, url string, err error) {
 	var accessToken string
 	accessToken, err = material.GetAccessToken()
 	if err != nil {
@@ -216,16 +232,19 @@ func (material *Material) AddVideo(filename, title, introduction string) (mediaI
 	if err != nil {
 		return
 	}
-
+	fileName := path.Base(filePath)
 	fields := []util.MultipartFormField{
 		{
-			IsFile:    true,
+			IsFile:     true,
-			Fieldname: "media",
+			Fieldname:  "media",
-			Filename:  filename,
+			FilePath:   filePath,
+			Filename:   fileName,
+			FileReader: reader,
 		},
 		{
 			IsFile:    false,
 			Fieldname: "description",
+			Filename:  fileName,
 			Value:     fieldValue,
 		},
 	}
@@ -250,6 +269,17 @@ func (material *Material) AddVideo(filename, title, introduction string) (mediaI
 	return
 }
 
+// AddVideo 永久视频素材文件上传
+func (material *Material) AddVideo(directory, title, introduction string) (mediaID string, url string, err error) {
+	f, err := os.Open(directory)
+	if err != nil {
+		return "", "", err
+	}
+	defer func() { _ = f.Close() }()
+
+	return material.AddVideoFromReader(directory, title, introduction, f)
+}
+
 type reqDeleteMaterial struct {
 	MediaID string `json:"media_id"`
 }

officialaccount/material/media.go

@@ -3,6 +3,7 @@ package material
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 
 	"github.com/silenceper/wechat/v2/util"
 )
@@ -62,6 +63,38 @@ func (material *Material) MediaUpload(mediaType MediaType, filename string) (med
 	return
 }
 
+// MediaUploadFromReader 临时素材上传
+func (material *Material) MediaUploadFromReader(mediaType MediaType, filename string, reader io.Reader) (media Media, err error) {
+	var accessToken string
+	accessToken, err = material.GetAccessToken()
+	if err != nil {
+		return
+	}
+
+	uri := fmt.Sprintf("%s?access_token=%s&type=%s", mediaUploadURL, accessToken, mediaType)
+
+	var byteData []byte
+	byteData, err = io.ReadAll(reader)
+	if err != nil {
+		return
+	}
+
+	var response []byte
+	response, err = util.PostFileByStream("media", filename, uri, byteData)
+	if err != nil {
+		return
+	}
+	err = json.Unmarshal(response, &media)
+	if err != nil {
+		return
+	}
+	if media.ErrCode != 0 {
+		err = fmt.Errorf("MediaUpload error : errcode=%v , errmsg=%v", media.ErrCode, media.ErrMsg)
+		return
+	}
+	return
+}
+
 // GetMediaURL 返回临时素材的下载地址供用户自己处理
 // NOTICE: URL 不可公开，因为含access_token 需要立即另存文件
 func (material *Material) GetMediaURL(mediaID string) (mediaURL string, err error) {

officialaccount/message/template.go

@@ -61,15 +61,15 @@ func (tpl *Template) Send(msg *TemplateMessage) (msgID int64, err error) {
 	if err != nil {
 		return
 	}
-	uri := fmt.Sprintf("%s?access_token=%s", templateSendURL, accessToken)
+	var (
-	var response []byte
+		uri      = fmt.Sprintf("%s?access_token=%s", templateSendURL, accessToken)
-	response, err = util.PostJSON(uri, msg)
+		response []byte
-	if err != nil {
+	)
+	if response, err = util.PostJSON(uri, msg); err != nil {
 		return
 	}
 	var result resTemplateSend
-	err = json.Unmarshal(response, &result)
+	if err = json.Unmarshal(response, &result); err != nil {
-	if err != nil {
 		return
 	}
 	if result.ErrCode != 0 {
@@ -103,10 +103,11 @@ func (tpl *Template) List() (templateList []*TemplateItem, err error) {
 	if err != nil {
 		return
 	}
-	uri := fmt.Sprintf("%s?access_token=%s", templateListURL, accessToken)
+	var (
-	var response []byte
+		uri      = fmt.Sprintf("%s?access_token=%s", templateListURL, accessToken)
-	response, err = util.HTTPGet(uri)
+		response []byte
-	if err != nil {
+	)
+	if response, err = util.HTTPGet(uri); err != nil {
 		return
 	}
 	var res resTemplateList
@@ -121,22 +122,23 @@ type resTemplateAdd struct {
 }
 
 // Add 添加模板.
-func (tpl *Template) Add(shortID string) (templateID string, err error) {
+func (tpl *Template) Add(shortID string, keyNameList []string) (templateID string, err error) {
 	var accessToken string
 	accessToken, err = tpl.GetAccessToken()
 	if err != nil {
 		return
 	}
-	var msg = struct {
+	var (
-		ShortID string `json:"template_id_short"`
+		msg = struct {
-	}{ShortID: shortID}
+			ShortID     string   `json:"template_id_short"`
-	uri := fmt.Sprintf("%s?access_token=%s", templateAddURL, accessToken)
+			KeyNameList []string `json:"keyword_name_list"`
-	var response []byte
+		}{ShortID: shortID, KeyNameList: keyNameList}
-	response, err = util.PostJSON(uri, msg)
+		uri      = fmt.Sprintf("%s?access_token=%s", templateAddURL, accessToken)
-	if err != nil {
+		response []byte
+	)
+	if response, err = util.PostJSON(uri, msg); err != nil {
 		return
 	}
-
 	var result resTemplateAdd
 	err = util.DecodeWithError(response, &result, "AddTemplate")
 	return result.TemplateID, err
@@ -149,14 +151,14 @@ func (tpl *Template) Delete(templateID string) (err error) {
 	if err != nil {
 		return
 	}
-	var msg = struct {
+	var (
-		TemplateID string `json:"template_id"`
+		msg = struct {
-	}{TemplateID: templateID}
+			TemplateID string `json:"template_id"`
-
+		}{TemplateID: templateID}
-	uri := fmt.Sprintf("%s?access_token=%s", templateDelURL, accessToken)
+		uri      = fmt.Sprintf("%s?access_token=%s", templateDelURL, accessToken)
-	var response []byte
+		response []byte
-	response, err = util.PostJSON(uri, msg)
+	)
-	if err != nil {
+	if response, err = util.PostJSON(uri, msg); err != nil {
 		return
 	}
 	return util.DecodeWithCommonError(response, "DeleteTemplate")

officialaccount/officialaccount.go

@@ -49,7 +49,13 @@ type OfficialAccount struct {
 
 // NewOfficialAccount 实例化公众号API
 func NewOfficialAccount(cfg *config.Config) *OfficialAccount {
-	defaultAkHandle := credential.NewDefaultAccessToken(cfg.AppID, cfg.AppSecret, credential.CacheKeyOfficialAccountPrefix, cfg.Cache)
+	var defaultAkHandle credential.AccessTokenContextHandle
+	const cacheKeyPrefix = credential.CacheKeyOfficialAccountPrefix
+	if cfg.UseStableAK {
+		defaultAkHandle = credential.NewStableAccessToken(cfg.AppID, cfg.AppSecret, cacheKeyPrefix, cfg.Cache)
+	} else {
+		defaultAkHandle = credential.NewDefaultAccessToken(cfg.AppID, cfg.AppSecret, cacheKeyPrefix, cfg.Cache)
+	}
 	ctx := &context.Context{
 		Config:            cfg,
 		AccessTokenHandle: defaultAkHandle,

util/http.go

@@ -146,13 +146,40 @@ func PostJSONWithRespContentType(uri string, obj interface{}) ([]byte, string, e
 	return responseData, contentType, err
 }
 
+// PostFileByStream 上传文件
+func PostFileByStream(fieldName, fileName, uri string, byteData []byte) ([]byte, error) {
+	fields := []MultipartFormField{
+		{
+			IsFile:    false,
+			Fieldname: fieldName,
+			Filename:  fileName,
+			Value:     byteData,
+		},
+	}
+	return PostMultipartForm(fields, uri)
+}
+
 // PostFile 上传文件
-func PostFile(fieldName, filename, uri string) ([]byte, error) {
+func PostFile(fieldName, filePath, uri string) ([]byte, error) {
 	fields := []MultipartFormField{
 		{
 			IsFile:    true,
 			Fieldname: fieldName,
-			Filename:  filename,
+			FilePath:  filePath,
+		},
+	}
+	return PostMultipartForm(fields, uri)
+}
+
+// PostFileFromReader 上传文件，从 io.Reader 中读取
+func PostFileFromReader(filedName, filePath, fileName, uri string, reader io.Reader) ([]byte, error) {
+	fields := []MultipartFormField{
+		{
+			IsFile:     true,
+			Fieldname:  filedName,
+			FilePath:   filePath,
+			Filename:   fileName,
+			FileReader: reader,
 		},
 	}
 	return PostMultipartForm(fields, uri)
@@ -160,10 +187,12 @@ func PostFile(fieldName, filename, uri string) ([]byte, error) {
 
 // MultipartFormField 保存文件或其他字段信息
 type MultipartFormField struct {
-	IsFile    bool
+	IsFile     bool
-	Fieldname string
+	Fieldname  string
-	Value     []byte
+	Value      []byte
-	Filename  string
+	FilePath   string
+	Filename   string
+	FileReader io.Reader
 }
 
 // PostMultipartForm 上传文件或其他多个字段
@@ -182,18 +211,24 @@ func PostMultipartForm(fields []MultipartFormField, uri string) (respBody []byte
 				return
 			}
 
-			fh, e := os.Open(field.Filename)
+			if field.FileReader == nil {
-			if e != nil {
+				fh, e := os.Open(field.FilePath)
-				err = fmt.Errorf("error opening file , err=%v", e)
+				if e != nil {
-				return
+					err = fmt.Errorf("error opening file , err=%v", e)
-			}
+					return
-			defer fh.Close()
+				}
-
+				_, err = io.Copy(fileWriter, fh)
-			if _, err = io.Copy(fileWriter, fh); err != nil {
+				_ = fh.Close()
-				return
+				if err != nil {
+					return
+				}
+			} else {
+				if _, err = io.Copy(fileWriter, field.FileReader); err != nil {
+					return
+				}
 			}
 		} else {
-			partWriter, e := bodyWriter.CreateFormField(field.Fieldname)
+			partWriter, e := bodyWriter.CreateFormFile(field.Fieldname, field.Filename)
 			if e != nil {
 				err = e
 				return
@@ -215,7 +250,7 @@ func PostMultipartForm(fields []MultipartFormField, uri string) (respBody []byte
 	}
 	defer resp.Body.Close()
 	if resp.StatusCode != http.StatusOK {
-		return nil, err
+		return nil, fmt.Errorf("http code error : uri=%v , statusCode=%v", uri, resp.StatusCode)
 	}
 	respBody, err = io.ReadAll(resp.Body)
 	return

work/kf/servicer.go

@@ -18,20 +18,23 @@ const (
 
 // ReceptionistOptions 添加接待人员请求参数
 type ReceptionistOptions struct {
-	OpenKFID   string   `json:"open_kfid"`   // 客服帐号ID
+	OpenKFID         string   `json:"open_kfid"`          // 客服帐号ID
-	UserIDList []string `json:"userid_list"` // 接待人员userid列表。第三方应用填密文userid，即open_userid 可填充个数：1 ~ 100。超过100个需分批调用。
+	UserIDList       []string `json:"userid_list"`        // 接待人员userid列表。第三方应用填密文userid，即open_userid 可填充个数：1 ~ 100。超过100个需分批调用。
+	DepartmentIDList []int    `json:"department_id_list"` // 接待人员部门id列表 可填充个数：0 ~ 100。超过100个需分批调用。
 }
 
 // ReceptionistSchema 添加接待人员响应内容
 type ReceptionistSchema struct {
 	util.CommonError
 	ResultList []struct {
-		UserID string `json:"userid"`
+		UserID       string `json:"userid"`
+		DepartmentID int    `json:"department_id"`
 		util.CommonError
 	} `json:"result_list"`
 }
 
 // ReceptionistAdd 添加接待人员
+// @see https://developer.work.weixin.qq.com/document/path/94646
 func (r *Client) ReceptionistAdd(options ReceptionistOptions) (info ReceptionistSchema, err error) {
 	var (
 		accessToken string
@@ -49,10 +52,11 @@ func (r *Client) ReceptionistAdd(options ReceptionistOptions) (info Receptionist
 	if info.ErrCode != 0 {
 		return info, NewSDKErr(info.ErrCode, info.ErrMsg)
 	}
-	return info, nil
+	return
 }
 
 // ReceptionistDel 删除接待人员
+// @see https://developer.work.weixin.qq.com/document/path/94647
 func (r *Client) ReceptionistDel(options ReceptionistOptions) (info ReceptionistSchema, err error) {
 	var (
 		accessToken string
@@ -72,19 +76,22 @@ func (r *Client) ReceptionistDel(options ReceptionistOptions) (info Receptionist
 	if info.ErrCode != 0 {
 		return info, NewSDKErr(info.ErrCode, info.ErrMsg)
 	}
-	return info, nil
+	return
 }
 
 // ReceptionistListSchema 获取接待人员列表响应内容
 type ReceptionistListSchema struct {
 	util.CommonError
 	ReceptionistList []struct {
-		UserID string `json:"userid"` // 接待人员的userid。第三方应用获取到的为密文userid，即open_userid
+		UserID       string `json:"userid"`        // 接待人员的userid。第三方应用获取到的为密文userid，即open_userid
-		Status int    `json:"status"` // 接待人员的接待状态。0:接待中,1:停止接待。第三方应用需具有“管理帐号、分配会话和收发消息”权限才可获取
+		Status       int    `json:"status"`        // 接待人员的接待状态。0:接待中,1:停止接待。第三方应用需具有“管理帐号、分配会话和收发消息”权限才可获取
+		DepartmentID int    `json:"department_id"` // 接待人员部门的id
+		StopType     int    `json:"stop_type"`     // 接待人员的接待状态为「停止接待」的子类型。0:停止接待,1:暂时挂起
 	} `json:"servicer_list"`
 }
 
 // ReceptionistList 获取接待人员列表
+// @see https://developer.work.weixin.qq.com/document/path/94645
 func (r *Client) ReceptionistList(kfID string) (info ReceptionistListSchema, err error) {
 	var (
 		accessToken string
@@ -104,5 +111,5 @@ func (r *Client) ReceptionistList(kfID string) (info ReceptionistListSchema, err
 	if info.ErrCode != 0 {
 		return info, NewSDKErr(info.ErrCode, info.ErrMsg)
 	}
-	return info, nil
+	return
 }

work/material/media.go

@@ -2,6 +2,7 @@ package material
 
 import (
 	"fmt"
+	"io"
 
 	"github.com/silenceper/wechat/v2/util"
 )
@@ -13,6 +14,8 @@ const (
 	uploadTempFile = "https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token=%s&type=%s"
 	// uploadAttachment 上传附件资源
 	uploadAttachment = "https://qyapi.weixin.qq.com/cgi-bin/media/upload_attachment?access_token=%s&media_type=%s&attachment_type=%d"
+	// getTempFile 获取临时素材
+	getTempFile = "https://qyapi.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s"
 )
 
 // UploadImgResponse 上传图片响应
@@ -96,3 +99,72 @@ func (r *Client) UploadAttachment(filename string, mediaType string, attachmentT
 	err = util.DecodeWithError(response, result, "UploadAttachment")
 	return result, err
 }
+
+// UploadTempFileFromReader 上传临时素材
+// @see https://developer.work.weixin.qq.com/document/path/90253
+// @mediaType 媒体文件类型，分别有图片（image）、语音（voice）、视频（video），普通文件（file）
+func (r *Client) UploadTempFileFromReader(filename, mediaType string, reader io.Reader) (*UploadTempFileResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var byteData []byte
+	byteData, err = io.ReadAll(reader)
+	if err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.PostFileByStream("media", filename, fmt.Sprintf(uploadTempFile, accessToken, mediaType), byteData); err != nil {
+		return nil, err
+	}
+	result := &UploadTempFileResponse{}
+	err = util.DecodeWithError(response, result, "UploadTempFile")
+	return result, err
+}
+
+// UploadAttachmentFromReader 上传附件资源
+// @see https://developer.work.weixin.qq.com/document/path/95098
+// @mediaType 媒体文件类型，分别有图片（image）、视频（video）、普通文件（file）
+// @attachment_type 附件类型，不同的附件类型用于不同的场景。1：朋友圈；2:商品图册
+func (r *Client) UploadAttachmentFromReader(filename, mediaType string, reader io.Reader, attachmentType int) (*UploadAttachmentResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var byteData []byte
+	byteData, err = io.ReadAll(reader)
+	if err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.PostFileByStream("media", filename, fmt.Sprintf(uploadAttachment, accessToken, mediaType, attachmentType), byteData); err != nil {
+		return nil, err
+	}
+	result := &UploadAttachmentResponse{}
+	err = util.DecodeWithError(response, result, "UploadAttachment")
+	return result, err
+}
+
+// GetTempFile 获取临时素材
+// @see https://developer.work.weixin.qq.com/document/path/90254
+func (r *Client) GetTempFile(mediaID string) ([]byte, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	url := fmt.Sprintf(getTempFile, accessToken, mediaID)
+	response, err := util.HTTPGet(url)
+	if err != nil {
+		return nil, err
+	}
+	return response, nil
+}